rexed's lamina

Question 1

1

Answer 1

posteromarginal nucleus

pain and temperature sensation from dorsolateral tract of lissauer

Question 2

2

Answer 2

substantia gelatinosa

input from 1st order neurons of the spinothalamic tract. These neurons have many opioid receptors on them

Question 3

3 & 4

Answer 3

nucleus proprius

input regarding light tough and limb position

project to the dorsal columns

Question 4

5

Answer 4

mainly visceral input regarding noxious stimuli

Question 5

6

Answer 5

deepest layer of the dorsal horn

responds to input regarding mechanical signals from joints and skin

Question 6

7

Answer 6

intermediate zone
-mostly sympathetic

dorsal nucleus of clark
-gives rise to posterior spinocerebellar tract

intermediolateral nucleus
-cell bodies of the sympathetic nervous system

Question 7

8 & 9

Answer 7

medial and lateral motor columns

proximal and distal LMN

(flexors centrally and extensors peripherally)

Question 8

10

Answer 8

central grey